Dental Flashcards
In which class of malocclusions is the jaw length normal?
Type 1
T/F: Mandibular Brachygnathism is a Type II maloclussion.
True. Type II- mandible is to short
Type III- mandible is to long
The most common Type 1 malocclusion is base narrow canines, which happens as a result of what? What is the other type of type 1 malocclusion?
Retained deciduous canines creates the condition of base narrow canines. May be correctable with an incline plate.
The other type is anterior cross bite, caused by one or more of the maxillary incisors being displaced towards the palate.
High fever, like with distemper, can cause enamel _________.
High fever, like with distemper, can cause enamel hypoplasia/ hypocalcinification. Due to damage to ameloblasts. Can also be caused by periapical inflammation or trauma to tooth bud or endocrine dysfuntion early in life.
Tetracycline given to skeletally immature animals can cause staining to the teeth causing them to appear yellow. This is because the _____ is stained.
Dentin is stained. Doxycycline is much less of a problem.
What is the difference between attrition and abrasion?
Attrition is pathological wear caused by contact with opposing tooth.
Abrasion is wear caused by contact with foreign object.
What is a parulis?
A draining tract associated with the teeth. **If it is at or parallel to the mucogingival line, it is most commonly associated with endodonic/ periapical disease.
What is retrobulbar disease?
The roots of the 1st and 2nd upper/ maxillary molars entend into zygomatic arch. Signs can be caused by apical disease.
CSs: pain when opening mouth, exophthalmos, protrusion of 3rd eyelid,
What breed do you normally see gingival hyperplasia in? What drugs can cause gingival hyperplasia?
Boxers- see generalized gingival hyperplasia
Cyclosporine, anticonvulsants, Calcium channel blockers
Vital Pulpotomies are indicated and have the best chance for success if the patient is younger than
younger than 18-24 months and <48 hrs.
